Home / 890,334.27-1,335,489.51-216,413.73

Finding the Fourth Proportional to 890,334.27, 1,335,489.51 and 216,413.73

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Solution

The fourth proportional to 890,334.27, 1,335,489.51 and 216,413.73 is: 324,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,334.27 : 1,335,489.51 = 216,413.73 : x
  2. Step 2: Convert to fraction form
    890,334.27/1,335,489.51 = 216,413.73/x
  3. Step 3: Cross multiply
    890,334.27x = 1,335,489.51 × 216,413.73
  4. Step 4: Simplify right side
    890,334.27x = 289,018,266,234.97
  5. Step 5: Solve for x
    x = 289,018,266,234.97/890,334.27
  6. Step 6: Final answer
    x = 324,617.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.